## Changelog since v1.9.0-beta.1

### Other notable changes

* Add pvc as part of equivalence hash ([#56577](https://github.com/kubernetes/kubernetes/pull/56577), [@resouer](https://github.com/resouer))

### SIG Scheduling

- The equivalence class cache has been redesigned to be a two level cache, resulting in a significant increase in scheduling throughput and performance. ([#65714](https://github.com/kubernetes/kubernetes/pull/65714), [@resouer](https://github.com/resouer))

* remove time waiting after create storage account (save 25s) ([#56679](https://github.com/kubernetes/kubernetes/pull/56679), [@andyzhangx](https://github.com/andyzhangx))
* Add pvc as part of equivalence hash ([#56577](https://github.com/kubernetes/kubernetes/pull/56577), [@resouer](https://github.com/resouer))

- When using `kubectl replace` (or the equivalent API call) on a Service, the caller no longer needs to do a read-modify-write cycle to fetch the allocated values for `.spec.clusterIP` and `.spec.ports[].nodePort`.  Instead the API server will automatically carry these forward from the original...

- The `WaitFor` and `WaitForWithContext` functions in the wait package have now been marked private. Callers should use the equivalent `Poll*` method with a zero duration interval. ([#115116](https://github.com/kubernetes/kubernetes/pull/115116), [@smarterclayton](https://github.com/smarterclayton))

* Use monotonically increasing generation to prevent scheduler equivalence cache race. ([#67308](https://github.com/kubernetes/kubernetes/pull/67308), [@cofyc](https://github.com/cofyc))

    * regions ("failure-domain.beta.kubernetes.io/region") in favor of their GA equivalents:
    * "topology.kubernetes.io/zone" and "topology.kubernetes.io/region".
    * The beta labels "failure-domain.beta.kubernetes.io/zone" and "failure-domain.beta.kubernetes.io/region" will be removed in v1.21

- Server Side Apply now treats LabelSelector...

  - `failurePolicy` default changed from `Ignore` to `Fail` for v1
  - `matchPolicy` default changed from `Exact` to `Equivalent` for v1
  - `timeout` default changed from `30s` to `10s` for v1
  - `sideEffects` default value is removed, and the field made required, and only `None` and `NoneOnDryRun` are permitted for v1

There is a new OCI image registry (`registry.k8s.io`) that can be used to pull Kubernetes images. The old registry (`k8s.gcr.io`) will continue to be supported for the foreseeable future, but the new name should perform better because it frontends equivalent mirrors in other clouds.  Please point your clusters to the new registry going forward. \n\nAdmission/Policy integrations that have an allowlist of registries need to include `registry.k8s.io` alongside `k8s.gcr.io`.\nAir-gapped environments and...